1-Hydroxy Ethylidene-1, 1-Diphosphonic Acid Water Treatment Chemical HEDP 90% CAS 2809-21-4 CAS 2809-21-4

1-Hydroxy Ethylidene-1, 1-Diphosphonic Acid Water Treatment Chemical HEDP 90% CAS 2809-21-4 CAS 2809-21-4. High Purity Industrial Grade: Active content 90.0% min or 98.0% min with low impurities. Corrosion Inhibition: Chelates Fe, Cu, Zn ions to protect metal surfaces. Customized Packaging: Available in 25kg bags or client-specified options. Stable Chemical Properties: Hard to hydrolyze or decompose under light and heat. Versatile Applications: Suitable for cooling water, boilers, and electroplating. ISO Certified Quality: Manufactured with strict quality control and COA. Synergistic Effect: Works well when compounded with polycarboxylic acid.